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4.7. Including Files

To include an external file into your embedded SQL program, use:

EXEC SQL INCLUDE filename;

The embedded SQL preprocessor will look for a file named filename.h, preprocess it, and include it in the resulting C output. Thus, embedded SQL statements in the included file are handled correctly.

Note that this is not the same as

#include <filename.h>

because the file would not be subject to SQL command preprocessing. Naturally, you can continue to use the C #include directive to include other header files.

Note: The include file name is case-sensitive, even though the rest of the EXEC SQL INCLUDE command follows the normal SQL case-sensitivity rules.